Select a State and Select a County
Use the ZIP Codes by County lookup to search the ZIP Codes within a county. Find the corresponding city names, percent of addresses in county and links to ZIP Code Maps.
- Includes 50 U.S. states, Puerto Rico, Guam, American Samoa and Micronesia.
How to Use ZIP Codes by County
Watch a quick and easy to follow 1 minute tutorial.Watch Now
Download the Free Melissa Lookups App now! Learn More >